Home Revolution HEPA Filter, Fits Eureka DCF-21 AirSpeed Upright Bagless & Comfort Clean Models Designed to fit: Eureka AirSpeed AS1000A, Eureka 3270 and 4230 Series Vacuums 4235AZ, 4236AZ, 460AZ, SA3276AZ, UK4236AZ, UK4237AZ, 3276AVZ, 3276AZ, 3277AVZ, 3279AZ, and Eureka 4236AZ Comfort Clean Upright, compare to parts DCF-21, 67821, 68931, 68931A, EF91, EF-91, EF-91B Replace with confidence: We back all of our USA engineered products with a 100% satisfaction guarantee Breathe easy: Genuine HEPA filter removes allergens, impurities, and odors from the air and refreshes your home The Home Revolution mantra: Premium quality replacement products at a low price What you get: 1 HEPA filter Breathe Clean Drink